Veterinary/Press Release·FDA Press Announcements

FDA Issues Emergency Use Authorization for Generic Over-the-Counter Drug to Treat New World Screwworm in Dogs and Cats

MediumPublished Jun 11, 2026· AI-analyzed Jun 11, 2026View original FDA source
AI-generated regulatory interpretation. The four sections below are an analyst-style summary produced by an AI model from the original FDA source. Always verify against the source before any regulatory, clinical, or commercial decision.
What happened

The FDA issued an Emergency Use Authorization for generic nitenpyram tablets to treat New World screwworm infestations in dogs and cats weighing at least two pounds and aged at least four weeks.

Who it affects

Manufacturers of generic nitenpyram, veterinary professionals, and regulatory affairs teams managing emergency use products for companion animals.

Why it matters

The issuance of an EUA for a generic veterinary drug indicates an urgent public health or animal health need regarding New World screwworm. This suggests a shift in the regulatory status of nitenpyram for this specific indication, allowing for expedited availability. Regulatory teams should note that this authorization is limited to specific age and weight cohorts, requiring precise adherence to the EUA conditions to maintain compliance.

Practical takeaway

Regulatory and supply chain teams responsible for nitenpyram distribution should review the specific EUA requirements for labeling and distribution. QA departments should ensure that generic tablets used for this indication meet the weight and age requirements specified in the authorization.

FDA source material

FDA today issued an Emergency Use Authorization (EUA) for generic Nitenpyram Tablets (nitenpyram) for the treatment of New World screwworm (NWS) infestations (myiasis) in dogs, puppies, cats, and kittens that weigh at least two pounds and are at least four weeks old.

Open in openFDA / FDA.gov
AI-generated interpretation. Always verify critical decisions against the original FDA source. Generated with google/gemini-3-flash-preview.